High-quality zirconium aluminium oxide ZA for high abrasive performance. Glass fiber pad for optimum contact pressure. Suitable for both steel and stainless steel. Best results on angle grinders of all power classes. Flat flap strip arrangement for high metal removal rate and long tool life. Application: Precise chamfering, edge smoothing and surface abrasion. maximum circumferential speed: 80 m/s Shape description: flat Bore Diameter: 22.23 mm